Add additional debugging headers

Author: cundd

Classes/Configuration/ConfigurationProviderInterface.php

@@ -48,5 +48,5 @@ public function getConfiguredResources(): array;
      * @param ResourceType $resourceType
      * @return ResourceConfiguration|null
      */
-    public function getResourceConfiguration(ResourceType $resourceType): ?\Cundd\Rest\Configuration\ResourceConfiguration;
+    public function getResourceConfiguration(ResourceType $resourceType): ?ResourceConfiguration;
 }

Classes/Dispatcher.php

@@ -318,8 +318,14 @@ private function addDebugHeaders(RestRequestInterface $request, ResponseInterfac
             return $response;
         }
 
+        $resourceConfiguration = $this->objectManager->getConfigurationProvider()
+            ->getResourceConfiguration($request->getResourceType());
+
         return $response
             ->withAddedHeader(Header::CUNDD_REST_RESOURCE_TYPE, (string)$request->getResourceType())
-            ->withAddedHeader(Header::CUNDD_REST_PATH, (string)$request->getPath());
+            ->withAddedHeader(Header::CUNDD_REST_PATH, (string)$request->getPath())
+            ->withAddedHeader(Header::CUNDD_REST_HANDLER, $resourceConfiguration->getHandlerClass())
+            ->withAddedHeader(Header::CUNDD_REST_DATA_PROVIDER, $resourceConfiguration->getDataProviderClass())
+            ->withAddedHeader(Header::CUNDD_REST_ALIASES, $resourceConfiguration->getAliases());
     }
 }

Classes/Http/Header.php

@@ -44,4 +44,19 @@ abstract class Header
      * Header to send debug information about suggested routes
      */
     public const CUNDD_REST_ROUTER_ALTERNATIVE_ROUTES = 'X-Cundd-Rest-Router-Alternative-Routes';
+
+    /**
+     * Header to send debug information about the used Handler class
+     */
+    public const CUNDD_REST_HANDLER = 'X-Cundd-Rest-Router-Handler';
+
+    /**
+     * Header to send debug information about the used DataProvider class
+     */
+    public const CUNDD_REST_DATA_PROVIDER = 'X-Cundd-Rest-Router-DataProvider';
+
+    /**
+     * Header to send debug information about allowed aliases
+     */
+    public const CUNDD_REST_ALIASES = 'X-Cundd-Rest-Router-Aliases';
 }